title: Sickle cell trait and the immune response to meningococcal vaccines.
mesh_terms: D000293:Adolescent; D000328:Adult; D000755:Anemia, Sickle Cell / Q000276:immunology*; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D001428:Bacterial Vaccines / Q000276:immunology*; D002648:Child; D006801:Humans; D009345:Neisseria meningitidis / Q000276:immunology*; D009549:Nigeria; D012805:Sickle Cell Trait / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines